31531010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 66546360

約数和(自身を除く): 35015350

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 229, 245, 281, 458, 490, 562, 1145, 1405, 1603, 1967, 2290, 2810, 3206, 3934, 8015, 9835, 11221, 13769, 16030, 19670, 22442, 27538, 56105, 64349, 68845, 112210, 128698, 137690, 321745, 450443, 643490, 900886, 2252215, 3153101, 4504430, 6306202, 15765505, 31531010]

約数ペア:

[(1, 31531010), (2, 15765505), (5, 6306202), (7, 4504430), (10, 3153101), (14, 2252215), (35, 900886), (49, 643490), (70, 450443), (98, 321745), (229, 137690), (245, 128698), (281, 112210), (458, 68845), (490, 64349), (562, 56105), (1145, 27538), (1405, 22442), (1603, 19670), (1967, 16030), (2290, 13769), (2810, 11221), (3206, 9835), (3934, 8015)]